Abstract: An adapter connectable to a paint sprayer includes a body, a first connector, and a second connector. The first connector is positioned on a first end of the body. The first connector is removably connectable to the paint sprayer. The second connector is positioned on a second end of the body. The second end is opposite the first end. The second connector is configured for connecting to a fluid source.

Abstract: A bi-, tri-, or quadripod apparatus utilized over a confined space to aid in the introduction or removal of persons or equipment into the space, including a head casting with upright members extending vertically downwards and outwardly from the head casting. An anchor plate is centered and affixed in each of the respective exterior surfaces of the head casting, and the anchor plates have apertures in or about their lower portions for the attachment of support and/or hauling devices.

Abstract: An improved cam for use in a rope gripping device features a concave cam working surface. Gear-like teeth, each having a flat top are placed perpendicular to the rope inside the concave cam working surface. The cutting force is reduced, and the grip strength is increased. An integral safety lock can be set in either the open or closed position.